Mile High

[Aspen, Colorado; April 18. Image via Getty]

ASPEN, CO - APRIL 18: A woman bends down to smell a marijuana plant at the Cannabis Crown 2010 expo April 18, 2010 in Aspen, Colorado. Cannabis Crown 2010 is hosting hundreds of marijuana-industry vendors and thousands of marijuana users in two hotels in tony Aspen, as well as holding a hemp fashion show and a marijuana-quality judging. Colorado, one of 14 states to allow use of medical marijuana, has experienced an explosion in marijuana dispensaries, trade shows and related businesses in the last year as marijuana use becomes more mainstream. (Photo by Chris Hondros/Getty Images)